Home / 7,984.95-11,977.71-2,437.86

Finding the Fourth Proportional to 7,984.95, 11,977.71 and 2,437.86

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Solution

The fourth proportional to 7,984.95, 11,977.71 and 2,437.86 is: 3,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.95 : 11,977.71 = 2,437.86 : x
  2. Step 2: Convert to fraction form
    7,984.95/11,977.71 = 2,437.86/x
  3. Step 3: Cross multiply
    7,984.95x = 11,977.71 × 2,437.86
  4. Step 4: Simplify right side
    7,984.95x = 29,199,980.10
  5. Step 5: Solve for x
    x = 29,199,980.10/7,984.95
  6. Step 6: Final answer
    x = 3,656.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.